2The effects of retinoic acid on the expression of midkine gene in mouse tooth germ tissues in vitroGAO Yu-guang, HAN Jian-guo, SHI Jun-nan61-62
3Immunolocalization of calbindin-D28K in human tooth germ developmentWANG Jing-jie, NIU Zhong-ying, NI Long-xing63-66